
#include <cassert>
#include <iostream>

using namespace std;

int main() {
  int *p;
  cout << p << endl;
  p = new int[0];
  cout << p << endl;
  cout << p[0] << endl;

  int a = 1;
  int b[2]{a == 1 ? -1 : 2, a == 1 ? -1 : 2};
  cout << b[0] << "  " << b[1] << endl;
  return 0;
}